Click on screenshot to zoom
Danger level 8
Type: Adware
Common infection symptoms:
  • Annoying Pop-up's
  • Shows commercial adverts
  • Connects to the internet without permission


“Nomen est omen”, as the Latin saying goes, but it does not seem to relate to TheBestApp. You cannot even download this app from anywhere, so, if you have it on board, it is most likely that you have been infected with this program. Since its only function is showing third-party pop-up and banner ads to generate income by the pay-per-click system for its publisher, it is categorized as adware. The constant distraction by the ads can be a very annoying thing; however, they might also be potentially harmful. But there is another way how this adware can put your system’s security at risk: it may come along with other malware infections. It always pays not to keep such programs on your computer that raise even the slightest chance to harm your computer or be a threat to your privacy. That is why we recommend removing TheBestApp from your system before it transforms into your worst nightmare.

TheBestApp comes from a seemingly endless line of adware rooting in the so-called Multiplug family. These apps are based on the JustPlugIt cross-browser platform, which has been used to develop hundreds of identical adware programs, such as WorkApp and IncreaseApp. Since you cannot download this totally useless adware directly from any website, the most probable method for it to slither onto your computer is in a free software package. The problem is that notorious third-party installers, such as InstallRex, may include malware infections in their bundles.

If you visit untrustworthy file-sharing websites and click on a deceiving download button or link, you might easily download such a package. Luckily, you may still have an opportunity in the installation wizard to prevent the infection. But failing to deselect the additional programs and tools you do not want to be installed can cause you several security issues. Our malware researchers have found that this adware can come along with EZDownloader and In order for you to feel totally safe, there is no other solution but to delete TheBestApp and every other app that may have come together with it.

Most probably what this app is the best at is tricking you into clicking on its targeted third-party ads that may appear so relevant to you. This adware can monitor your online behavior and create a profile on you based on this data. Once this is shared with third parties, you start seeing more and more ads that seem to “read your mind”, so you will be inclined to click on them. That is why these ads are the target of cyber criminals who can redirect you to their compromised websites once you click on an unreliable ad. Unfortunately, there is no telling which ads are reliable and which are not. Therefore, we recommend that you avoid all of these ads if you want to be safe. But the best move is to remove TheBestApp from your computer right now.

In order to clean TheBestApp from your system, you need to uninstall the application via Control Panel and also remove the extensions from the browsers, except for Internet Explorer. If this is all Greek to you, you may find our instructions below the article quite handy. If you follow the steps carefully, you will get rid of this adware in no time. Keep in mind, though, that there may be other infections too threatening the security of your computer. The most effective solution would be for you to invest in a reputable antimalware program that can automatically take care of all your problems.

How to remove TheBestApp from Windows

Windows XP

  1. Click Start and select Control Panel.
  2. Click Add or Remove Programs.
  3. Select the application and click Remove.

Windows 7 and Windows Vista

  1. Access the Start menu and select Control Panel.
  2. Click Uninstall a program.
  3. Find the application in the list and click Uninstall.

Windows 8 and Windows 8.1

  1. Move the mouse cursor to the bottom-left corner of the screen and right-click on the Windows logo.
  2. Select Control Panel and click Uninstall a program.
  3. Right-click on the application in the list and choose Uninstall.

How to remove the extension from browsers

Google Chrome

  1. Click on the menu icon and select Settings.
  2. In the left panel select Extensions.
  3. Select the unwanted extension and click on the recycle bin icon.
  4. Press Remove.

Mozilla Firefox

  1. Tap Alt+T and go to Add-ons.
  2. Select Extensions on the left, click on the undesirable extension and click Remove.
Download Spyware Removal Tool to Remove* TheBestApp
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